They look dramatic, sometimes otherworldly, but the appearance is often more menacing than the reality. Shelf clouds can ...

The app is called SeeMyClouds, and it was developed by Bruce Albrecht. The professor emeritus at the University of Miami ...

GREENSBORO, N.C. — If you’ve ever looked up and seen a dark, menacing cloud stretching across the sky like a giant wedge, you’ve likely witnessed a shelf cloud. With their dramatic appearance and ...

On Sunday (Dec.10), a massive gray cloud formed over Southern California's Ventura and Santa Barbara counties, filling the sky with dark towers of smoke and shocking onlookers for miles around. The ...

Mars has its own version of the “noctilucent” clouds that glow in the Earth’s night sky, new observations confirm. The clouds appear to form with the help of tiny dust particles that may rain down on ...